Math

4. An electronics company has found that when certain calculators are sold at a price of P dollars per unit, the number x of calculators sold is give by the demand equation, x = 17,850 - 135p a. Find the model that expresses the revenue R as a function of the price P. b. What is the domain of R? c. What unit price should be used to maximize revenue? d. How many units are sold at this price? f. What price should the company charge for the product to collect at least $567,625